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<div class="title">qwt_date.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -*- mode: C++ ; c-file-style: &quot;stroustrup&quot; -*- *****************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef _QWT_DATE_H_</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define _QWT_DATE_H_</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_global.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;qdatetime.h&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="class_qwt_date.html">   42</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_date.html">QwtDate</a></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;{</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1e">   49</a></span>&#160;    <span class="keyword">enum</span> <a class="code" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1e">Week0Type</a></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    {</div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1ea82971cd90d670fe3048ad8c377379c1d">   58</a></span>&#160;        <a class="code" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1ea82971cd90d670fe3048ad8c377379c1d">FirstThursday</a>,</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160; </div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1eab5c50b8108f8c4535201c0c590a598d6">   66</a></span>&#160;        FirstDay</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    };</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587">   75</a></span>&#160;    <span class="keyword">enum</span> <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587">IntervalType</a></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    {</div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a4e1d45d6382c27689a30adc11186d4f1">   78</a></span>&#160;        <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a4e1d45d6382c27689a30adc11186d4f1">Millisecond</a>,</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587aabaf7a7d45288a33590f61fe075b3590">   81</a></span>&#160;        <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587aabaf7a7d45288a33590f61fe075b3590">Second</a>,</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a7c9073c66b2628adbe772ac4c1a678ef">   84</a></span>&#160;        <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a7c9073c66b2628adbe772ac4c1a678ef">Minute</a>,</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a8e7a2f91f89423e446bfdaa1e01ebd2f">   87</a></span>&#160;        <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a8e7a2f91f89423e446bfdaa1e01ebd2f">Hour</a>,</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160; </div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a1d503616cab082a9c741be881cc0a813">   90</a></span>&#160;        <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a1d503616cab082a9c741be881cc0a813">Day</a>,</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587ae204b4e8ce8679ba9ac378e41bd77b2b">   93</a></span>&#160;        <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587ae204b4e8ce8679ba9ac378e41bd77b2b">Week</a>,</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a0ab43f35f1bdbae7536be2be0455700a">   96</a></span>&#160;        <a class="code" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a0ab43f35f1bdbae7536be2be0455700a">Month</a>,</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160; </div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587ae306523ed94ccf930afb811ff7a735ab">   99</a></span>&#160;        Year</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    };</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <span class="keyword">enum</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    {</div>
<div class="line"><a name="l00105"></a><span class="lineno"><a class="line" href="class_qwt_date.html#af636fffdebea2e4463fc32461b1217e0aed8ee8f3dbc5b7a5e953b3ec51a79108">  105</a></span>&#160;        JulianDayForEpoch = 2440588</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    };</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="keyword">static</span> QDate minDate();</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keyword">static</span> QDate maxDate();</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160; </div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="keyword">static</span> QDateTime toDateTime( <span class="keywordtype">double</span> value,</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        Qt::TimeSpec = Qt::UTC );</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">double</span> toDouble( <span class="keyword">const</span> QDateTime &amp; );</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160; </div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keyword">static</span> QDateTime ceil( <span class="keyword">const</span> QDateTime &amp;, IntervalType );</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <span class="keyword">static</span> QDateTime floor( <span class="keyword">const</span> QDateTime &amp;, IntervalType );</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160; </div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keyword">static</span> QDate dateOfWeek0( <span class="keywordtype">int</span> year, Week0Type );</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">int</span> weekNumber( <span class="keyword">const</span> QDate &amp;, Week0Type );</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160; </div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">int</span> utcOffset( <span class="keyword">const</span> QDateTime &amp; );</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160; </div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keyword">static</span> QString toString( <span class="keyword">const</span> QDateTime &amp;,</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        <span class="keyword">const</span> QString &amp; format, Week0Type );</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;};</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160; </div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="preprocessor">#endif</span></div>
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<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587a7c9073c66b2628adbe772ac4c1a678ef"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a7c9073c66b2628adbe772ac4c1a678ef">QwtDate::Minute</a></div><div class="ttdoc">The interval is related to minutes.</div><div class="ttdef"><b>Definition:</b> qwt_date.h:84</div></div>
<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587ae204b4e8ce8679ba9ac378e41bd77b2b"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587ae204b4e8ce8679ba9ac378e41bd77b2b">QwtDate::Week</a></div><div class="ttdoc">The interval is related to weeks.</div><div class="ttdef"><b>Definition:</b> qwt_date.h:93</div></div>
<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587">QwtDate::IntervalType</a></div><div class="ttdeci">IntervalType</div><div class="ttdef"><b>Definition:</b> qwt_date.h:75</div></div>
<div class="ttc" id="aclass_qwt_date_html"><div class="ttname"><a href="class_qwt_date.html">QwtDate</a></div><div class="ttdoc">A collection of methods around date/time values.</div><div class="ttdef"><b>Definition:</b> qwt_date.h:42</div></div>
<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587a0ab43f35f1bdbae7536be2be0455700a"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a0ab43f35f1bdbae7536be2be0455700a">QwtDate::Month</a></div><div class="ttdoc">The interval is related to months.</div><div class="ttdef"><b>Definition:</b> qwt_date.h:96</div></div>
<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587a1d503616cab082a9c741be881cc0a813"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a1d503616cab082a9c741be881cc0a813">QwtDate::Day</a></div><div class="ttdoc">The interval is related to days.</div><div class="ttdef"><b>Definition:</b> qwt_date.h:90</div></div>
<div class="ttc" id="aclass_qwt_date_html_ab915db512c556a4666ada4fbfccfce1ea82971cd90d670fe3048ad8c377379c1d"><div class="ttname"><a href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1ea82971cd90d670fe3048ad8c377379c1d">QwtDate::FirstThursday</a></div><div class="ttdef"><b>Definition:</b> qwt_date.h:58</div></div>
<div class="ttc" id="aclass_qwt_date_html_ab915db512c556a4666ada4fbfccfce1e"><div class="ttname"><a href="class_qwt_date.html#ab915db512c556a4666ada4fbfccfce1e">QwtDate::Week0Type</a></div><div class="ttdeci">Week0Type</div><div class="ttdef"><b>Definition:</b> qwt_date.h:49</div></div>
<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587aabaf7a7d45288a33590f61fe075b3590"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587aabaf7a7d45288a33590f61fe075b3590">QwtDate::Second</a></div><div class="ttdoc">The interval is related to seconds.</div><div class="ttdef"><b>Definition:</b> qwt_date.h:81</div></div>
<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587a8e7a2f91f89423e446bfdaa1e01ebd2f"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a8e7a2f91f89423e446bfdaa1e01ebd2f">QwtDate::Hour</a></div><div class="ttdoc">The interval is related to hours.</div><div class="ttdef"><b>Definition:</b> qwt_date.h:87</div></div>
<div class="ttc" id="aclass_qwt_date_html_ad037b999a51cae4d9ab36bf8e7859587a4e1d45d6382c27689a30adc11186d4f1"><div class="ttname"><a href="class_qwt_date.html#ad037b999a51cae4d9ab36bf8e7859587a4e1d45d6382c27689a30adc11186d4f1">QwtDate::Millisecond</a></div><div class="ttdoc">The interval is related to milliseconds.</div><div class="ttdef"><b>Definition:</b> qwt_date.h:78</div></div>
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